: copyOf(elements.iterator());
  }

  /**
   * Returns an immutable list containing the given elements, in order.
   *
   * <p>Despite the method name, this method attempts to avoid actually copying the data when it is
   * safe to do so. The exact circumstances under which a copy will or will not be performed are
   * undocumented and subject to change.
   *

   *
   * <ul>
   *   <li>use {@link StringReader} instead of {@link CharSequenceReader}. It is faster since it can
   *       use {@link String#getChars(int, int, char[], int)} instead of copying characters one by
   *       one with {@link CharSequence#charAt(int)}.
   *   <li>use {@link Appendable#append(CharSequence)} in {@link #copyTo(Appendable)} and {@link

    tentativeArgs.set(i, alternateArg);
    return createInstance(factory, tentativeArgs).hashCode()
        == createInstance(factory, args).hashCode();
  }

  // distinctValues is a type-safe class-values mapping, but we don't have a type-safe data
  // structure to hold the mappings.
  @SuppressWarnings({"unchecked", "rawtypes"})
  private FreshValueGenerator newFreshValueGenerator() {
    FreshValueGenerator generator =

   *
   * <ul>
   *   <li>use {@link StringReader} instead of {@link CharSequenceReader}. It is faster since it can
   *       use {@link String#getChars(int, int, char[], int)} instead of copying characters one by
   *       one with {@link CharSequence#charAt(int)}.
   *   <li>use {@link Appendable#append(CharSequence)} in {@link #copyTo(Appendable)} and {@link

	// Save config.
	return saveServerConfig(context.Background(), obj, globalServerConfig)
}

// Deleting the temporary backend and stopping the server.
func (testServer TestServer) Stop() {
	testServer.cancel()
	testServer.Server.Close()
	testServer.Obj.Shutdown(context.Background())
	os.RemoveAll(testServer.Root)
	for _, ep := range testServer.Disks {

    }

    /** An empty array of {@link Traverser}. */
    protected static final Traverser[] EMPTY_ARRAY = new Traverser[0];

    private static final Logger logger = Logger.getLogger(TraversalUtil.class);

    /** Mapping from URL protocol (as key) to {@link TraverserFactory} (as value). */
    protected static final ConcurrentMap<String, TraverserFactory> traverserFactories = newConcurrentHashMap();
    static {

        "char_filter" : ["mapping_char"],
        "filter" : ["lowercase", "content_length_filter", "limit_token_count_filter"]
      }
    },
    "char_filter" : {
      "mapping_char" : {
        "type" : "mapping",
        "mappings" : ["ｶﾞ=>ガ", "ｷﾞ=>ギ", "ｸﾞ=>グ", "ｹﾞ=>ゲ", "ｺﾞ=>ゴ", "ｻﾞ=>ザ", "ｼﾞ=>ジ", "ｽﾞ=>ズ", "ｾﾞ=>ゼ", "ｿﾞ=>ゾ", "ﾀﾞ=>ダ", "ﾁﾞ=>ヂ", "ﾂﾞ=>ヅ",

        "char_filter" : ["mapping_char"],
        "filter" : ["lowercase", "content_length_filter", "limit_token_count_filter"]
      }
    },
    "char_filter" : {
      "mapping_char" : {
        "type" : "mapping",
        "mappings" : ["ｶﾞ=>ガ", "ｷﾞ=>ギ", "ｸﾞ=>グ", "ｹﾞ=>ゲ", "ｺﾞ=>ゴ", "ｻﾞ=>ザ", "ｼﾞ=>ジ", "ｽﾞ=>ズ", "ｾﾞ=>ゼ", "ｿﾞ=>ゾ", "ﾀﾞ=>ダ", "ﾁﾞ=>ヂ", "ﾂﾞ=>ヅ",

        final CrawlingInfoHelper crawlingInfoHelper = ComponentUtil.getCrawlingInfoHelper();

        try {
            writeTimeToSessionInfo(crawlingInfoHelper, Constants.CRAWLER_START_TIME);

            // setup path mapping
            final List<String> ptList = new ArrayList<>();
            ptList.add(Constants.PROCESS_TYPE_CRAWLING);
            ptList.add(Constants.PROCESS_TYPE_BOTH);

    /**
     * Default constructor.
     */
    public NetworkExplorer() {
        super();
    }

    private static LogStream log = LogStream.getInstance();

    /** The MIME type mapping */
    private MimeMap mimeMap;
    /** The CSS style for HTML rendering */
    private String style;
    /** The NTLM SSP handler */
    private NtlmSsp ntlmSsp;
    /** Flag indicating if credentials were supplied */